參數(shù)資料
型號(hào): MRF377HR5
廠商: 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述: N-Channel Enhancement-Mode Lateral MOSFETs
中文描述: N溝道增強(qiáng)型MOSFET的外側(cè)
文件頁(yè)數(shù): 9/16頁(yè)
文件大?。?/td> 780K
代理商: MRF377HR5
MRF377HR3 MRF377HR5
9
RF Device Data
Freescale Semiconductor
TYPICAL DVBT OFDM BROADBAND CHARACTERISTICS
900
9
19
420
65
40
18
35
17
30
16
25
15
20
14
40
13
45
12
50
11
55
10
60
480
540
600
660
720
780
840
f, FREQUENCY (MHz)
Figure 9. Single-Channel DVBT OFDM
Broadband Performance
Gp
,
η
A
η
G
ps
ACPR
V
DD
= 32 Vdc, P
out
= 45 W (Avg.), I
DQ
= 2000 mA
8K Mode DVBT OFDM
64 QAM Data Carrier Modulation
5 Symbols
50
16
19
2
P
out
, OUTPUT POWER (WATTS) AVG.
Figure 10. Single-Channel DVBT OFDM Broadband
Performance Power Gain versus Output Power
Gp
30
10
4
6
8
18.5
18
17.5
17
16.5
470 MHz
V
DD
= 32 Vdc, I
DQ
= 2000 mA
8K Mode OFDM
64 QAM Data Carrier Modulation
5 Symbols
660 MHz
560 MHz
860 MHz
760 MHz
100
0
30
470 MHz
P
out
, OUTPUT POWER (WATTS) AVG.
Figure 11. Single-Channel DVBT OFDM
Broadband Performance Drain Efficiency versus
Output Power
,
η
V
DD
= 32 Vdc
I
DQ
= 2000 mA
8K Mode OFDM
64 QAM Data Carrier Modulation
5 Symbols
10
25
20
15
10
5
660 MHz
560 MHz
860 MHz
760 MHz
100
68
56
10
470 MHz
P
out
, OUTPUT POWER (WATTS) AVG.
Figure 12. Single-Channel DVBT OFDM Broadband Performance
Adjacent Channel Power Ratio versus Output Power
A
V
DD
= 32 Vdc
I
DQ
= 2000 mA
8K Mode DVBT OFDM
64 QAM
Data Carrier Modulation
5 Symbols
58
60
62
64
66
660 MHz
860 MHz
560 MHz
760 MHz
5
20
5
7.61 MHz
f, FREQUENCY (MHz)
Figure 13. 8K Mode DVBT OFDM Spectrum
30
40
50
90
70
80
100
110
60
4
3
2
1
0
1
2
3
4
4 kHz BW
4 kHz BW
(
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